Consider the following statements: A - In Drosophila, sex is determined by the ratio of X chromosomes to autosomes. B - In birds, the female is homogametic (ZZ) and the male is heterogametic (ZW). C - Grasshoppers exhibit XO type of sex determination where males have only one X chromosome.
- AAll are correct
- BOnly A is incorrect
- CA & B are correct
- DOnly C is incorrect
✓ Correct answer: D
Want the full step-by-step reasoning?